新增短视频录制插件

WadeMobileFunc/WadeMobileFunc/customVideo/CustomVideoViewController.h

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//
//  CustomVideoViewController.h
//  WadeMobileFunc
//
//  Created by Mac on 2019/11/5.
//  Copyright © 2019 asiainfo. All rights reserved.
//
#import <UIKit/UIKit.h>
@protocol CustomVideoViewControllerDelegate<NSObject>
-(void)customWithBaseView:(UIView *)baseView VideoView:(UIView *)videoView SourceBundle:(NSBundle *)bundle;
@required
-(void)confirmWithData:(NSData *)data FilePath:(NSString *)filepath;
@end
@interface CustomVideoViewController : UIViewController
@property(nonatomic,weak)id<CustomVideoViewControllerDelegate> delegate;
-(id)initVCWithRecordSeconds:(int)senconds;
@end

WadeMobileFunc/WadeMobileFunc/customVideo/CustomVideoViewController.m

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//
//  CustomVideoViewController.m
//  WadeMobileFunc
//
//  Created by Mac on 2019/11/5.
//  Copyright © 2019 asiainfo. All rights reserved.
//
#import "CustomVideoViewController.h"
#import <AVFoundation/AVFoundation.h>
#import <WadeMobile/WDCommonTool.h>
#import <WadeMobile/UIViewAdditions.h>
#define deviceHeight ([[UIScreen mainScreen] bounds].size.height)
#define deviceWidth ([[UIScreen mainScreen] bounds].size.width)
#define isIphoneX ([[UIScreen mainScreen] bounds].size.height==812?YES:NO)
#define widthScale(f) [CustomVideoViewController widthScale:f]
#define heightScale(f) [CustomVideoViewController heightScale:f]
typedef NS_ENUM(NSInteger,VideoStatus){
    VideoStatusEnded = 0,
    VideoStatusStarted
};
@interface CustomVideoViewController ()<AVCaptureFileOutputRecordingDelegate>
{
    AVCaptureSession *captureSession;
    AVCaptureDevice *videoDevice;//视频
    AVCaptureDevice *audioDevice;//音频
    AVCaptureDeviceInput *videoInput;//视频输入设备
    AVCaptureDeviceInput *audioInput;//音频输入设备
    AVCaptureMovieFileOutput *movieOutput;
    AVCaptureVideoPreviewLayer *captureVideoPreviewLayer;
    
    NSBundle *bundle;//资源包
    int seconds;//视频录制最大秒数
}
//拍摄区域
@property(nonatomic,strong) UIView *videoView;
@property(nonatomic,strong) UIView *bottomBaseView;
@property(nonatomic,strong) NSLayoutConstraint *progressWidth;//进度条约束
@property(nonatomic,strong) UIView *progressView;//进度条
@property(nonatomic,strong) UIView *recordView;//按住拍
@property(nonatomic,strong) UILabel *secondLbl;//当前录制秒数
@property(nonatomic,strong) UIButton *changeBtn;//前后摄像头切换
@property(nonatomic,strong) UIButton *backBtn;//返回
@property(nonatomic,strong) UIButton *confirmBtn;//确认录制完成
@property(nonatomic,assign) VideoStatus status;
@property(nonatomic,assign) BOOL canSave;//是否可以保存视频
@property(nonatomic,strong) CADisplayLink *link;//计时
@property(nonatomic,strong)NSString *validateData;
@end
@implementation CustomVideoViewController
-(id)initVCWithRecordSeconds:(int)senconds{
    self = [super init];
    if (self) {
        seconds = senconds;
    }
    return self;
}
- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor whiteColor];
    
    NSString *bundlestring = [[[NSBundle mainBundle] bundlePath] stringByAppendingString:@"/WadeMobileFuncBundle.bundle"];
    bundle = [NSBundle bundleWithPath:bundlestring];
    
    //导航栏背景色
    UIImage * img = [WDCommonTool imageWithColor:[WDCommonTool convertHexToColor:@"#1e96fa"] andSize:CGSizeMake(deviceWidth, 64)];
    [self.navigationController.navigationBar setBackgroundImage:img forBarMetrics:UIBarMetricsDefault];
    
    //返回按钮
    UIButton *backButton = [UIButton buttonWithType:UIButtonTypeCustom];
    backButton.frame = CGRectMake(0, 0, 30, 30);
    UIImage *backImg = [UIImage imageNamed:@"back" inBundle:bundle compatibleWithTraitCollection:nil];
    [backButton setImage:backImg forState:UIControlStateNormal];
    [backButton addTarget:self action:@selector(back:) forControlEvents:UIControlEventTouchUpInside];
    UIBarButtonItem *back = [[UIBarButtonItem alloc] initWithCustomView:backButton];
    self.navigationItem.leftBarButtonItem = back;
    
    //标题
    UILabel *titleLbl = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, deviceWidth, 30)];
    titleLbl.font = [UIFont systemFontOfSize:18];
    titleLbl.textAlignment = NSTextAlignmentCenter;
    self.navigationItem.titleView = titleLbl;
    titleLbl.text = @"自定义视频录制";
    titleLbl.textColor = [WDCommonTool convertHexToColor:@"#edfeff"];
    
    [self initUI];
    [self getAuthorization];
}
#pragma mark - UI初始化
/*
 UI初始化
 */
-(void)initUI{
    //录制区域
    self.videoView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, deviceWidth, deviceHeight-64)];
    self.videoView.layer.masksToBounds = YES;
    [self.view addSubview:self.videoView];
    
    //操作区域
    self.bottomBaseView = [[UIView alloc] initWithFrame:CGRectMake(0, deviceHeight-64-heightScale(100), deviceWidth, heightScale(100))];
    self.bottomBaseView.backgroundColor = [UIColor blackColor];
    self.bottomBaseView.alpha = 0.5;
    [self.view addSubview:self.bottomBaseView];
    
    self.progressView = [[UIView alloc] initWithFrame:CGRectMake(0, deviceHeight-heightScale(100)-64, 0, 2)];
    self.progressView.backgroundColor = [UIColor whiteColor];
    self.progressView.translatesAutoresizingMaskIntoConstraints = NO;
    [self.view addSubview:self.progressView];
    
    self.progressWidth = [NSLayoutConstraint constraintWithItem:self.progressView attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1 constant:0];
    [self.progressView addConstraint:self.progressWidth];
    
    [self.progressView addConstraint:[NSLayoutConstraint constraintWithItem:self.progressView attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:nil attribute:NSLayoutAttributeNotAnAttribute multiplier:1 constant:2]];
    
    [self.view addConstraint:[NSLayoutConstraint constraintWithItem:self.progressView attribute:NSLayoutAttributeLeading relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeLeading multiplier:1 constant:0]];
    
    [self.view addConstraint:[NSLayoutConstraint constraintWithItem:self.progressView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.view attribute:NSLayoutAttributeTop multiplier:1 constant:deviceHeight-heightScale(100)-64]];
    
    
    UIButton *recordView11 = [UIButton buttonWithType:UIButtonTypeCustom];
    UIImage *recodeImg = [UIImage imageNamed:@"recode" inBundle:bundle compatibleWithTraitCollection:nil];
    [recordView11 setImage:recodeImg forState:UIControlStateNormal];
    recordView11.frame = CGRectMake(deviceWidth/2-widthScale(35), deviceHeight-64-self.bottomBaseView.height+10, widthScale(70), heightScale(70));
    [self.view addSubview:recordView11];
    self.recordView = [[UIView alloc] initWithFrame:CGRectMake(deviceWidth/2-widthScale(35), deviceHeight-64-self.bottomBaseView.height+10, widthScale(70), heightScale(70))];
    self.recordView.backgroundColor = [UIColor clearColor];
    self.recordView.userInteractionEnabled = YES;
    [self.view addSubview:self.recordView];
    
    self.backBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    UIImage *backVideoImg = [UIImage imageNamed:@"backVideo" inBundle:bundle compatibleWithTraitCollection:nil];
    [self.backBtn setImage:backVideoImg forState:UIControlStateNormal];
    self.backBtn.frame = CGRectMake(self.recordView.left-widthScale(80), deviceHeight-64-self.bottomBaseView.height+10, widthScale(70), heightScale(70));
    [self.backBtn addTarget:self action:@selector(back:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:self.backBtn];
    self.backBtn.hidden = YES;
    
    self.confirmBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    UIImage *confirmImg = [UIImage imageNamed:@"confirm" inBundle:bundle compatibleWithTraitCollection:nil];
    [self.confirmBtn setImage:confirmImg forState:UIControlStateNormal];
    self.confirmBtn.frame = CGRectMake(self.recordView.right+widthScale(10), deviceHeight-64-self.bottomBaseView.height+10, widthScale(70), heightScale(70));
    [self.confirmBtn addTarget:self action:@selector(confirm:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:self.confirmBtn];
    self.confirmBtn.hidden = YES;
    
    self.secondLbl = [[UILabel alloc] initWithFrame:CGRectMake(self.backBtn.left-widthScale(40)-15, deviceHeight-64-self.bottomBaseView.height+10, widthScale(40), heightScale(70))];
    self.secondLbl.font = [UIFont boldSystemFontOfSize:16];
    self.secondLbl.textColor = [UIColor whiteColor];
    self.secondLbl.text = @"";
    self.secondLbl.textAlignment = NSTextAlignmentRight;
    [self.view addSubview:self.secondLbl];
    
    self.changeBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    UIImage *cameraImg = [UIImage imageNamed:@"camera" inBundle:bundle compatibleWithTraitCollection:nil];
    [self.changeBtn setImage:cameraImg forState:UIControlStateNormal];
    self.changeBtn.frame = CGRectMake(self.confirmBtn.right+10, deviceHeight-64-self.bottomBaseView.height+10, widthScale(40), heightScale(70));
    [self.changeBtn addTarget:self action:@selector(change:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:self.changeBtn];
    
    if ([self.delegate respondsToSelector:@selector(customWithBaseView:VideoView:SourceBundle:)]) {
        [self.delegate customWithBaseView:self.view VideoView:self.videoView SourceBundle:bundle];
    }
    
    [self addGenstureRecognizer];
}
#pragma mark - click action
/*
 返回
 */
-(void)back:(UIButton *)sender{
    [self dismissViewControllerAnimated:YES completion:^{
        
    }];
}
/*
 确认压缩上传
 */
-(void)confirm:(UIButton *)sender{
    //    NSLog(@"开始压缩,压缩前大小 %f MB",[self fileSize:[self outPutFileURL]]);
    //媒体资源类
    AVURLAsset *avAsset = [[AVURLAsset alloc] initWithURL:[self outPutFileURL] options:nil];
    //使用AVAssetExportSession导出一个新的资源副本以及元数据改动.
    NSArray *compatiblePresets = [AVAssetExportSession exportPresetsCompatibleWithAsset:avAsset];
    if ([compatiblePresets containsObject:AVAssetExportPresetLowQuality]) {
        AVAssetExportSession *exportSession = [[AVAssetExportSession alloc] initWithAsset:avAsset presetName:AVAssetExportPreset640x480];
        [self removeFileWithUrl:[self compressedPath]];
        exportSession.outputURL = [self compressedURL];
        //优化网络
        exportSession.shouldOptimizeForNetworkUse = true;
        //转换后的格式
        exportSession.outputFileType = AVFileTypeMPEG4;//AVFileTypeQuickTimeMovie
        //异步导出
        [exportSession exportAsynchronouslyWithCompletionHandler:^{
            //如果导出的状态为完成
            if ([exportSession status] == AVAssetExportSessionStatusCompleted) {
                NSLog(@"压缩完毕,压缩后大小 %f MB",[self fileSize:[self compressedURL]]);
                if ([self.delegate respondsToSelector:@selector(confirmWithData:FilePath:)]) {
                    NSData *data = [NSData dataWithContentsOfURL:[self compressedURL]];
                    [self.delegate confirmWithData:data FilePath:[self compressedPath]];
                }
                [self dismissViewControllerAnimated:YES completion:^{
                    
                }];
            }else{
                NSLog(@"当前压缩进度:%f",exportSession.progress);
            }
        }];
    }
}
- (CGFloat)fileSize:(NSURL *)path
{
    return [[NSData dataWithContentsOfURL:path] length]/1024.00 /1024.00;
}
- (NSURL *)compressedURL
{
    return [NSURL fileURLWithPath:[self compressedPath]];
}
- (NSString *)compressedPath
{
    return [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, true) lastObject] stringByAppendingPathComponent:[NSString stringWithFormat:@"compressed.mp4"]];
}
-(BOOL)removeFileWithUrl:(NSString *)url{
    NSFileManager *defaultManager = [NSFileManager defaultManager];
    NSError *error;
    [defaultManager removeItemAtPath:url error:&error];
    if (error) {
        NSLog(@"error = %@", error);
        return NO;
    }
    return YES;
}
/*
 前后摄像头切换
 */
-(void)change:(UIButton *)sender{
    switch (videoDevice.position) {
        case AVCaptureDevicePositionBack:
            videoDevice = [self deviceWithMediaType:AVMediaTypeVideo preferringPosition:AVCaptureDevicePositionFront];
            break;
        case AVCaptureDevicePositionFront:
            videoDevice = [self deviceWithMediaType:AVMediaTypeVideo preferringPosition:AVCaptureDevicePositionBack];
            break;
        default:
            return;
            break;
    }
    
    [self changeDevicePropertySafety:^(AVCaptureDevice *captureDevice) {
        NSError *error;
        AVCaptureDeviceInput *newVideoInput = [[AVCaptureDeviceInput alloc] initWithDevice:self->videoDevice error:&error];
        
        if (newVideoInput != nil) {
            //必选先 remove 才能询问 canAdd
            [self->captureSession removeInput:self->videoInput];
            if ([self->captureSession canAddInput:newVideoInput]) {
                [self->captureSession addInput:newVideoInput];
                self->videoInput = newVideoInput;
            }else{
                [self->captureSession addInput:self->videoInput];
            }
        } else if (error) {
            NSLog(@"切换前/后摄像头失败, error = %@", error);
        }
    }];
}
#pragma mark - 录制相关的方法
-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    UITouch *touch = [touches anyObject];
    CGPoint point = [touch locationInView:self.view];
    BOOL condition = [self isInBtnRect:point];//是否按住
    if (condition) {
        [self startAnimation];
    }else{
        [self stopAnimation];
    }
}
- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    [super touchesMoved:touches withEvent:event];
    UITouch *touch = [touches anyObject];
    CGPoint point = [touch locationInView:self.view];
    BOOL condition = [self isInBtnRect:point];
    if (!condition) {
        [self stopAnimation];
    }
}
- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event
{
    UITouch *touch = [touches anyObject];
    CGPoint point = [touch locationInView:self.view];
    BOOL condition = [self isInBtnRect:point];
    if (condition) {
        if (self.progressWidth.constant > deviceWidth*0.17) {
            [self recordComplete];//录制完成
        }
    }
    [self stopAnimation];
}
- (BOOL)isInBtnRect:(CGPoint)point
{
    CGFloat x = point.x;
    CGFloat y = point.y;
    return  (x>self.recordView.left && x<=self.recordView.right) && (y>self.recordView.top && y<=self.recordView.bottom);
}
- (void)startAnimation
{
    if (self.status == VideoStatusEnded) {
        self.status = VideoStatusStarted;
        [UIView animateWithDuration:0.5 animations:^{
            self.progressView.alpha = 1.0;
        } completion:^(BOOL finished) {
            [self stopLink];
            [self.link addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSRunLoopCommonModes];
        }];
    }
}
- (CADisplayLink *)link
{
    if (!_link) {
        _link = [CADisplayLink displayLinkWithTarget:self selector:@selector(refresh:)];
        self.progressWidth.constant = 0;
        [self startRecord];
    }
    return _link;
}
- (void)refresh:(CADisplayLink *)link
{
    if (self.progressWidth.constant >= deviceWidth) {
        self.progressWidth.constant = deviceWidth;
        [self recordComplete];
        [self stopAnimation];
        return;
    }
    self.progressWidth.constant += deviceWidth/360;
    [self refreshSecond];
}
-(void)refreshSecond{//seconds
    CGFloat perWidth = deviceWidth/seconds;
    for (int i=1; i<seconds+1; i++) {
        if (self.progressWidth.constant>=perWidth*i-2 && self.progressWidth.constant<=perWidth*i+2) {
            self.secondLbl.text = [NSString stringWithFormat:@"%ds",i];
        }else if (self.progressWidth.constant==0){
            self.secondLbl.text = @"";
        }
    }
    
    
//    if (self.progressWidth.constant>=deviceWidth/6-2 && self.progressWidth.constant<=deviceWidth/6+2) {
//        self.secondLbl.text = @"1s";
//    }
//    else if (self.progressWidth.constant>=deviceWidth/3-2 && self.progressWidth.constant<=deviceWidth/3+2){
//        self.secondLbl.text = @"2s";
//    }
//    else if (self.progressWidth.constant>=deviceWidth/2-2 && self.progressWidth.constant<=deviceWidth/2+2){
//        self.secondLbl.text = @"3s";
//    }
//    else if (self.progressWidth.constant>=deviceWidth*2/3-2 && self.progressWidth.constant<=deviceWidth*2/3+2){
//        self.secondLbl.text = @"4s";
//    }
//    else if (self.progressWidth.constant>=deviceWidth*5/6-2 && self.progressWidth.constant<=deviceWidth*5/6+2){
//        self.secondLbl.text = @"5s";
//    }
//    else if (self.progressWidth.constant>=deviceWidth-2 && self.progressWidth.constant<=deviceWidth+2){
//        self.secondLbl.text = @"6s";
//    }
//    else if (self.progressWidth.constant==0){
//        self.secondLbl.text = @"";
//    }
}
- (void)startRecord
{
    [movieOutput startRecordingToOutputFileURL:[self outPutFileURL] recordingDelegate:self];
}
- (NSURL *)outPutFileURL
{
    NSLog(@"执行------------------------outPutFileURL");
    return [NSURL fileURLWithPath:[NSString stringWithFormat:@"%@%@", NSTemporaryDirectory(), @"outPut.mp4"]];
}
- (void)stopLink
{
    _link.paused = YES;
    [_link invalidate];
    _link = nil;
}
- (void)recordComplete
{
    self.canSave = YES;
    self.backBtn.hidden = NO;
    self.confirmBtn.hidden = NO;
}
- (void)stopAnimation{
    if (self.status == VideoStatusStarted) {
        self.status = VideoStatusEnded;
        [self stopLink];
        [self stopRecord];
    }
}
- (void)stopRecord
{
    [movieOutput stopRecording];// 取消视频拍摄
}
#pragma mark - AVCaptureFileOutputRecordingDelegate
- (void)captureOutput:(AVCaptureFileOutput *)captureOutput didStartRecordingToOutputFileAtURL:(NSURL *)fileURL fromConnections:(NSArray *)connections
{
    NSLog(@"---- 开始录制 ----");
}
- (void)captureOutput:(AVCaptureFileOutput *)captureOutput didFinishRecordingToOutputFileAtURL:(NSURL *)outputFileURL fromConnections:(NSArray *)connections error:(NSError *)error
{
    NSLog(@"---- 录制结束 ---%@-%@ ",outputFileURL,captureOutput.outputFileURL);
    
    if (outputFileURL.absoluteString.length == 0 && captureOutput.outputFileURL.absoluteString.length == 0 ) {
        [self showMsgWithTitle:@"出错了" andContent:@"录制视频保存地址出错"];
        return;
    }
    
    if (self.canSave) {
        self.canSave = NO;
    }
}
#pragma mark - 摄像头授权
/*
 获取授权
 */
- (void)getAuthorization
{
    switch ([AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo])
    {
        case AVAuthorizationStatusAuthorized://已授权，可使用
        {
            NSLog(@"授权摄像头使用成功");
            //视频录制初始化
            [self setupAVCaptureInfo];
            break;
        }
        case AVAuthorizationStatusNotDetermined://未进行授权选择
        {
            //则再次请求授权
            [AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
                if(granted){//用户授权成功
                    //视频录制初始化
                    dispatch_async(dispatch_get_main_queue(), ^{
                        [self setupAVCaptureInfo];
                    });
                    return;
                }else{//用户拒绝授权
                    [self pop];
                    [self showMsgWithTitle:@"出错了" andContent:@"用户拒绝授权摄像头的使用权,返回上一页.请打开\n设置-->隐私/通用等权限设置"];
                    return;
                }
            }];
            break;
        }
        default://用户拒绝授权/未授权
        {
            [self pop];
            [self showMsgWithTitle:@"出错了" andContent:@"拒绝授权,返回上一页.请检查下\n设置-->隐私/通用等权限设置"];
            break;
        }
    }
}
/*
 视频录制初始化
 */
- (void)setupAVCaptureInfo
{
    //创建会话，并设置视频分辨率
    [self addSession];
    [captureSession beginConfiguration];
    //添加视频输入设备
    [self addVideo];
    //添加音频输入设备
    [self addAudio];
    //添加预览层
    [self addPreviewLayer];
    [captureSession commitConfiguration];
    //开启会话-->注意,不等于开始录制
    [captureSession startRunning];
}
/*
 创建会话，并设置视频分辨率
 */
- (void)addSession
{
    captureSession = [[AVCaptureSession alloc] init];
    //设置视频分辨率
    /*  通常支持如下格式
     (
     AVAssetExportPresetLowQuality,
     AVAssetExportPreset960x540,
     AVAssetExportPreset640x480,
     AVAssetExportPresetMediumQuality,
     AVAssetExportPreset1920x1080,
     AVAssetExportPreset1280x720,
     AVAssetExportPresetHighestQuality,
     AVAssetExportPresetAppleM4A
     )
     */
    //注意,这个地方设置的模式/分辨率大小将影响你后面拍摄照片/视频的大小,
    if ([captureSession canSetSessionPreset:AVCaptureSessionPreset352x288]) {
        [captureSession setSessionPreset:AVCaptureSessionPreset352x288];
    }
}
/*
 添加视频输入设备
 */
- (void)addVideo
{
    // 获取摄像头输入设备， 创建 AVCaptureDeviceInput 对象
    /* MediaType
     AVMediaTypeVideo    //视频
     AVMediaTypeAudio    //音频
     */
    
    /* AVCaptureDevicePosition
     AVCaptureDevicePositionBack    //后置摄像头
     AVCaptureDevicePositionFront   //前置摄像头
     */
    videoDevice = [self deviceWithMediaType:AVMediaTypeVideo preferringPosition:AVCaptureDevicePositionFront];
    
    [self addVideoInput];
    [self addMovieOutput];
}
/*
 获取摄像头：前置或后置
 */
- (AVCaptureDevice *)deviceWithMediaType:(NSString *)mediaType preferringPosition:(AVCaptureDevicePosition)position
{
    NSArray *devices = [AVCaptureDevice devicesWithMediaType:mediaType];
    AVCaptureDevice *captureDevice = devices.firstObject;
    
    for ( AVCaptureDevice *device in devices ) {
        if ( device.position == position ) {
            captureDevice = device;
            break;
        }
    }
    return captureDevice;
}
/*
 添加视频输入对象
 */
- (void)addVideoInput
{
    NSError *videoError;
    // 根据输入设备初始化输入对象，用户获取输入数据
    videoInput = [[AVCaptureDeviceInput alloc] initWithDevice:videoDevice error:&videoError];
    if (videoError) {
        NSLog(@"---- 取得摄像头设备时出错 ------ %@",videoError);
        return;
    }
    
    // 将视频输入对象添加到会话 (AVCaptureSession) 中
    if ([captureSession canAddInput:videoInput]) {
        [captureSession addInput:videoInput];
    }
}
/*
 添加拍摄视频输出对象
 */
- (void)addMovieOutput
{
    // 初始化输出设备对象，用户获取输出数据
    movieOutput = [[AVCaptureMovieFileOutput alloc] init];
    if ([captureSession canAddOutput:movieOutput]) {
        [captureSession addOutput:movieOutput];
        AVCaptureConnection *captureConnection = [movieOutput connectionWithMediaType:AVMediaTypeVideo];
        
        //设置视频旋转方向
        /*
         typedef NS_ENUM(NSInteger, AVCaptureVideoOrientation) {
         AVCaptureVideoOrientationPortrait           = 1,
         AVCaptureVideoOrientationPortraitUpsideDown = 2,
         AVCaptureVideoOrientationLandscapeRight     = 3,
         AVCaptureVideoOrientationLandscapeLeft      = 4,
         } NS_AVAILABLE(10_7, 4_0) __TVOS_PROHIBITED;
         */
        //        if ([captureConnection isVideoOrientationSupported]) {
        //            [captureConnection setVideoOrientation:AVCaptureVideoOrientationPortrait];
        //        }
        
        // 视频稳定设置
        if ([captureConnection isVideoStabilizationSupported]) {
            captureConnection.preferredVideoStabilizationMode = AVCaptureVideoStabilizationModeAuto;
        }
        captureConnection.videoScaleAndCropFactor = captureConnection.videoMaxScaleAndCropFactor;
    }
    
}
/*
 添加音频输入设备
 */
- (void)addAudio
{
    NSError *audioError;
    // 添加一个音频输入设备
    audioDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeAudio];
    // 音频输入对象
    audioInput = [[AVCaptureDeviceInput alloc] initWithDevice:audioDevice error:&audioError];
    if (audioError) {
        NSLog(@"取得录音设备时出错 ------ %@",audioError);
        return;
    }
    // 将音频输入对象添加到会话 (AVCaptureSession) 中
    if ([captureSession canAddInput:audioInput]) {
        [captureSession addInput:audioInput];
    }
}
/*
 创建预览层
 */
- (void)addPreviewLayer
{
    [self.view layoutIfNeeded];
    
    // 通过会话 (AVCaptureSession) 创建预览层
    captureVideoPreviewLayer = [[AVCaptureVideoPreviewLayer alloc] initWithSession:captureSession];
    captureVideoPreviewLayer.frame = self.videoView.layer.bounds;
    /* 填充模式
     AVLayerVideoGravityResize
     AVLayerVideoGravityResizeAspect  (default)
     AVLayerVideoGravityResizeAspectFill
     */
    //有时候需要拍摄完整屏幕大小的时候可以修改这个
    captureVideoPreviewLayer.videoGravity = AVLayerVideoGravityResizeAspectFill;
    // 如果预览图层和视频方向不一致,可以修改这个
    captureVideoPreviewLayer.connection.videoOrientation = [movieOutput connectionWithMediaType:AVMediaTypeVideo].videoOrientation;
    captureVideoPreviewLayer.position = CGPointMake(self.videoView.width*0.5,self.videoView.height*0.5);
    
    // 显示在视图表面的图层
    CALayer *layer = self.videoView.layer;
    layer.masksToBounds = true;
    [self.view layoutIfNeeded];
    [layer addSublayer:captureVideoPreviewLayer];
}
-(void)pop
{
    if (self.navigationController) {
        [self.navigationController popViewControllerAnimated:YES];
    }
}
- (void)showMsgWithTitle:(NSString *)title andContent:(NSString *)content
{
    [[[UIAlertView alloc] initWithTitle:title message:content delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil] show];
}
#pragma mark - 点按手势
/**
 *  添加点按手势，点按时聚焦
 */
-(void)addGenstureRecognizer{
    
    UITapGestureRecognizer *singleTapGesture=[[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(singleTap:)];
    singleTapGesture.numberOfTapsRequired = 1;
    singleTapGesture.delaysTouchesBegan = YES;
    [self.videoView addGestureRecognizer:singleTapGesture];
    
    UITapGestureRecognizer *doubleTapGesture=[[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(doubleTap:)];
    doubleTapGesture.numberOfTapsRequired = 2;
    doubleTapGesture.delaysTouchesBegan = YES;
    [self.videoView addGestureRecognizer:doubleTapGesture];
    
    //双击手势执行失败才会执行单击手势
    [singleTapGesture requireGestureRecognizerToFail:doubleTapGesture];
}
/*
 单击
 */
-(void)singleTap:(UITapGestureRecognizer *)tapGesture{
    CGPoint point = [tapGesture locationInView:self.videoView];
    //将UI坐标转化为摄像头坐标,摄像头聚焦点范围0~1
    CGPoint cameraPoint= [captureVideoPreviewLayer captureDevicePointOfInterestForPoint:point];
    //    //光圈动画
    //    [self setFocusCursorAnimationWithPoint:point];
    //更改设备属性
    [self changeDevicePropertySafety:^(AVCaptureDevice *captureDevice) {
        /*
         @constant AVCaptureFocusModeLocked 锁定在当前焦距
         @constant AVCaptureFocusModeAutoFocus 自动对焦一次,然后切换到焦距锁定
         @constant AVCaptureFocusModeContinuousAutoFocus
         */
        //当需要时，自动调整焦距
        if ([captureDevice isFocusModeSupported:AVCaptureFocusModeContinuousAutoFocus]) {
            [captureDevice setFocusMode:AVCaptureFocusModeContinuousAutoFocus];
            NSLog(@"聚焦模式修改为%zd",AVCaptureFocusModeContinuousAutoFocus);
        }else{
            NSLog(@"聚焦模式修改失败");
        }
        //聚焦点的位置
        if ([captureDevice isFocusPointOfInterestSupported]) {
            [captureDevice setFocusPointOfInterest:cameraPoint];
        }
        /*
         @constant AVCaptureExposureModeLocked  曝光锁定在当前值
         @constant AVCaptureExposureModeAutoExpose 曝光自动调整一次然后锁定
         @constant AVCaptureExposureModeContinuousAutoExposure 曝光自动调整
         @constant AVCaptureExposureModeCustom 曝光只根据设定的值来
         */
        //曝光模式
        if ([captureDevice isExposureModeSupported:AVCaptureExposureModeAutoExpose]) {
            [captureDevice setExposureMode:AVCaptureExposureModeAutoExpose];
        }else{
            NSLog(@"曝光模式修改失败");
        }
        //曝光点的位置
        if ([captureDevice isExposurePointOfInterestSupported]) {
            [captureDevice setExposurePointOfInterest:cameraPoint];
        }
    }];
}
/*
 更改设备属性
 */
-(void)changeDevicePropertySafety:(void (^)(AVCaptureDevice *captureDevice))propertyChange{
    AVCaptureDevice *captureDevice = [videoInput device];
    NSError *error;
    //注意改变设备属性前一定要首先调用lockForConfiguration:调用完之后使用unlockForConfiguration方法解锁,意义是---进行修改期间,先锁定,防止多处同时修改
    BOOL lockAcquired = [captureDevice lockForConfiguration:&error];
    if (!lockAcquired) {
        NSLog(@"锁定设备过程error，错误信息：%@",error.localizedDescription);
    }else{
        [captureSession beginConfiguration];
        propertyChange(captureDevice);
        [captureDevice unlockForConfiguration];
        [captureSession commitConfiguration];
    }
}
/*
 双击:设置焦距
 */
-(void)doubleTap:(UITapGestureRecognizer *)tapGesture{
    [self changeDevicePropertySafety:^(AVCaptureDevice *captureDevice) {
        if (captureDevice.videoZoomFactor == 1.0) {
            CGFloat current = 1.5;
            if (current < captureDevice.activeFormat.videoMaxZoomFactor) {
                [captureDevice rampToVideoZoomFactor:current withRate:10];
            }
        }else{
            [captureDevice rampToVideoZoomFactor:1.0 withRate:10];
        }
    }];
}
#pragma mark - other
- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    
}
#pragma mark - 屏幕适配，(320,568)大小为标准
+(CGFloat)widthScale:(CGFloat)num{
    if (deviceWidth==375) {
        return 375*num/320;
    }
    else if (deviceWidth==414){
        return 414*num/320;
    }
    else{//320
        return num;
    }
}
+(CGFloat)heightScale:(CGFloat)num{
    
    if (deviceHeight==480) {
        return 480*num/568;
    }
    else if (deviceHeight==667){
        return 667*num/568;
    }
    else if (deviceHeight==736){//plus
        return 736*num/568;
    }
    else if (deviceHeight==812){//X
        return 812*num/568;
    }
    else{//568
        return num;
    }
}
@end

WadeMobileFunc/WadeMobileFunc/customVideo/WDFCustomVideo.h

@@ -0,0 +1,20 @@
//
//  WDFCustomVideo.h
//  WadeMobileFunc
//
//  Created by Mac on 2019/11/5.
//  Copyright © 2019 asiainfo. All rights reserved.
//
#import <WadeMobile/WadeMobile.h>
#import "CustomVideoViewController.h"
@interface WDFCustomVideo : WDPlugin<CustomVideoViewControllerDelegate>
/*
 录制自定义视频，时长6秒
 */
-(void)makeShortVideo:(NSArray *)param;
@end

WadeMobileFunc/WadeMobileFunc/customVideo/WDFCustomVideo.m

@@ -0,0 +1,82 @@
//
//  WDFCustomVideo.m
//  WadeMobileFunc
//
//  Created by Mac on 2019/11/5.
//  Copyright © 2019 asiainfo. All rights reserved.
//
#import "WDFCustomVideo.h"
#import <WadeMobile/WDCommonTool.h>
#define deviceHeight ([[UIScreen mainScreen] bounds].size.height)
#define deviceWidth ([[UIScreen mainScreen] bounds].size.width)
#define isIphoneX ([[UIScreen mainScreen] bounds].size.height==812?YES:NO)
#define widthScale(f) [CustomVideoViewController widthScale:f]
#define heightScale(f) [CustomVideoViewController heightScale:f]
@implementation WDFCustomVideo
/*
 录制自定义视频，时长6秒
 */
-(void)makeShortVideo:(NSArray *)param{
    int seconds = 6;
    if (param && param.count>0) {
        NSString *param0 = [NSString stringWithFormat:@"%@",param[0]];
        seconds = param0.intValue;
    }
    CustomVideoViewController *videoVC = [[CustomVideoViewController alloc] initVCWithRecordSeconds:seconds];
    videoVC.delegate = self;
    UINavigationController *nc = [[UINavigationController alloc] initWithRootViewController:videoVC];
    [[self getViewController] presentViewController:nc animated: YES completion: nil];
}
#pragma mark - CustomVideoViewControllerDelegate
/*
 自定义录制界面视图
 */
-(void)customWithBaseView:(UIView *)baseView VideoView:(UIView *)videoView SourceBundle:(NSBundle *)bundle{
    //验证码
    UIView *topBaseView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, deviceWidth, 100)];
    topBaseView.backgroundColor = [UIColor whiteColor];
    [baseView addSubview:topBaseView];
    
    UILabel *lbl1 = [[UILabel alloc] initWithFrame:CGRectMake(0, 10, deviceWidth, 20)];
    lbl1.font = [UIFont systemFontOfSize:12];
    lbl1.attributedText = [WDCommonTool fetchAttributedText1:@"请使用" Text2:@"前置摄像头" Text3:@"，录制" Text4:@"6秒" Text5:@"视频" Color1:[WDCommonTool convertHexToColor:@"#1c1b21"] Color2:[WDCommonTool convertHexToColor:@"#dd4b4b"] Color3:[WDCommonTool convertHexToColor:@"#1c1b21"] Color4:[WDCommonTool convertHexToColor:@"#dd4b4b"] Color5:[WDCommonTool convertHexToColor:@"#1c1b21"]];
    lbl1.textAlignment = NSTextAlignmentCenter;
    [topBaseView addSubview:lbl1];
    
    UILabel *lbl2 = [[UILabel alloc] initWithFrame:CGRectMake(0, lbl1.bottom, deviceWidth, 20)];
    lbl2.font = [UIFont systemFontOfSize:12];
    lbl2.attributedText = [WDCommonTool fetchAttributedText1:@"录制时请" Text2:@"匀速朗读" Text3:@"一遍下方数字" Color1:[WDCommonTool convertHexToColor:@"#1c1b21"] Color2:[WDCommonTool convertHexToColor:@"#dd4b4b"] Color3:[WDCommonTool convertHexToColor:@"#1c1b21"]];
    lbl2.textAlignment = NSTextAlignmentCenter;
    [topBaseView addSubview:lbl2];
    
    UILabel *codeLbl = [[UILabel alloc] initWithFrame:CGRectMake(0, lbl2.bottom, deviceWidth, 50)];
    codeLbl.font = [UIFont boldSystemFontOfSize:30];
    codeLbl.textColor = [WDCommonTool convertHexToColor:@"#dd4b4b"];
    NSDictionary *dic = @{NSKernAttributeName:@5.0f};
    NSAttributedString *attributeStr = [[NSAttributedString alloc] initWithString:@"9876" attributes:dic];
    codeLbl.attributedText = attributeStr;
    codeLbl.textAlignment = NSTextAlignmentCenter;
    [topBaseView addSubview:codeLbl];
    
    UIImage *peopleImg = [UIImage imageNamed:@"people" inBundle:bundle compatibleWithTraitCollection:nil];
    UIImageView *rectImage = [[UIImageView alloc] initWithImage:peopleImg];
    if (isIphoneX) {
        rectImage.frame = CGRectMake(0, 150, deviceWidth, 330);
    }else{
        rectImage.frame = CGRectMake(0, 120, deviceWidth, videoView.height-270);
    }
    [baseView addSubview:rectImage];
}
/*
 录制好的视频处理，或上传，或保存至相册
 */
-(void)confirmWithData:(NSData *)data FilePath:(NSString *)filepath{
    [self callback:filepath];
}
@end